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motikmotik
3 years ago
7

The elements of the Periodic Table are arranged on order of increasing(1) atomic number

Chemistry
2 answers:
Inessa [10]3 years ago
7 0
They're arranged by increasing atomic (proton) number. They used to me sorted by mass number, but that resulted in some anomalies in the table
Akimi4 [234]3 years ago
5 0
1. the periodic table is arranged in order of atomic number
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